EP3830974A4 - Verfahren, vorrichtungen und computersoftwareprodukte zur verarbeitung in einem mimo-system - Google Patents
Verfahren, vorrichtungen und computersoftwareprodukte zur verarbeitung in einem mimo-system Download PDFInfo
- Publication number
- EP3830974A4 EP3830974A4 EP18928565.3A EP18928565A EP3830974A4 EP 3830974 A4 EP3830974 A4 EP 3830974A4 EP 18928565 A EP18928565 A EP 18928565A EP 3830974 A4 EP3830974 A4 EP 3830974A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- apparatuses
- methods
- processing
- computer software
- mimo system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0658—Feedback reduction
- H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2018/098358 WO2020024225A1 (en) | 2018-08-02 | 2018-08-02 | Methods, apparatuses, and computer software products for processing in mimo system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3830974A1 EP3830974A1 (de) | 2021-06-09 |
EP3830974A4 true EP3830974A4 (de) | 2022-03-30 |
Family
ID=69231294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18928565.3A Pending EP3830974A4 (de) | 2018-08-02 | 2018-08-02 | Verfahren, vorrichtungen und computersoftwareprodukte zur verarbeitung in einem mimo-system |
Country Status (4)
Country | Link |
---|---|
US (1) | US11949479B2 (de) |
EP (1) | EP3830974A4 (de) |
CN (1) | CN112703683A (de) |
WO (1) | WO2020024225A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117081704B (zh) * | 2023-08-09 | 2024-05-31 | 江南大学 | 一种启用环境反向散射通信的非正交多址接入传输方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150016379A1 (en) * | 2012-02-23 | 2015-01-15 | Electronics And Telecommunications Research Institute | Multi-input and multi-output communication method in large-scale antenna system |
US20160353424A1 (en) * | 2015-05-28 | 2016-12-01 | Futurewei Technologies, Inc. | System and Method for Multi-Level Beamformed Non-Orthogonal Multiple Access Communications |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101325441A (zh) * | 2007-06-11 | 2008-12-17 | 株式会社Ntt都科摩 | 基于码书的预编码***的调度方法及调度装置 |
US9432099B2 (en) * | 2012-12-03 | 2016-08-30 | Lg Electronics Inc. | Method and apparatus for reporting channel state information in wireless communication system |
KR102197717B1 (ko) * | 2013-03-08 | 2020-12-31 | 한국전자통신연구원 | 대규모 안테나 시스템에서 다중 입력 다중 출력 통신 방법 |
US9973249B2 (en) * | 2014-12-23 | 2018-05-15 | Samsung Electronics Co., Ltd. | Channel state information feedback schemes for FD-MIMO |
JPWO2016199768A1 (ja) * | 2015-06-12 | 2018-05-24 | 株式会社Nttドコモ | ユーザ端末、無線基地局及び無線通信方法 |
CN106330271B (zh) * | 2015-06-19 | 2019-11-26 | ***通信集团公司 | 多天线多用户非正交发送方法、基站、盲检测方法、终端 |
CN106374985B (zh) * | 2015-07-20 | 2020-02-28 | 电信科学技术研究院 | 一种多用户数据的发送接收方法及装置 |
CN108141428B (zh) * | 2015-10-02 | 2021-04-09 | 株式会社Ntt都科摩 | 无线基站、用户终端以及无线通信方法 |
CN107154814B (zh) * | 2016-03-04 | 2020-07-14 | 王晋良 | 联合用户分组与预编码的方法以及使用所述方法的基站 |
US20170264346A1 (en) * | 2016-03-09 | 2017-09-14 | Futurewei Technologies, Inc. | System and Method for Communicating in a Wireless Communications System with Precoding |
WO2017161590A1 (en) | 2016-03-25 | 2017-09-28 | Qualcomm Incorporated | Enhanced hybrid csi-rs for fd-mimo |
US10694531B2 (en) * | 2016-05-13 | 2020-06-23 | Qualcomm Incorporated | Grouping user equipment based on precoding matrix indicators for combined transmission |
EP3276846B1 (de) * | 2016-07-25 | 2021-01-06 | Alcatel Lucent | Mehrfach-antennen-mehrbenutzer-downlink-übertragung |
CN107888242A (zh) * | 2016-09-30 | 2018-04-06 | 索尼公司 | 无线通信方法和无线通信装置 |
CN108111205A (zh) * | 2016-11-25 | 2018-06-01 | 中国电信股份有限公司 | 消除大规模mimo***中分组用户间干扰的方法和装置 |
-
2018
- 2018-08-02 WO PCT/CN2018/098358 patent/WO2020024225A1/en unknown
- 2018-08-02 EP EP18928565.3A patent/EP3830974A4/de active Pending
- 2018-08-02 CN CN201880097696.0A patent/CN112703683A/zh active Pending
- 2018-08-02 US US17/263,337 patent/US11949479B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150016379A1 (en) * | 2012-02-23 | 2015-01-15 | Electronics And Telecommunications Research Institute | Multi-input and multi-output communication method in large-scale antenna system |
US20160353424A1 (en) * | 2015-05-28 | 2016-12-01 | Futurewei Technologies, Inc. | System and Method for Multi-Level Beamformed Non-Orthogonal Multiple Access Communications |
Non-Patent Citations (1)
Title |
---|
See also references of WO2020024225A1 * |
Also Published As
Publication number | Publication date |
---|---|
US11949479B2 (en) | 2024-04-02 |
CN112703683A (zh) | 2021-04-23 |
WO2020024225A1 (en) | 2020-02-06 |
US20210175951A1 (en) | 2021-06-10 |
EP3830974A1 (de) | 2021-06-09 |
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